The patient inquires about how his body will kill pathogens unassisted by antibiotics.
The nurse responds that a process called phagocytosis will:
Stimulate the production of interferons.
Engulf and destroy the pathogen.
Create antibodies against the pathogen.
Stimulate the body to make more white blood cells.
The Correct Answer is B
Choice A rationale
Interferons are proteins produced by cells in response to viral infections and are part of the body's immune response, but they are not directly involved in the engulfing of pathogens.
Choice B rationale
Phagocytosis is the process by which certain cells, such as macrophages and neutrophils, engulf and destroy pathogens. This is a crucial mechanism of the innate immune system.
Choice C rationale
Creating antibodies is the function of B cells in the adaptive immune system, which works alongside phagocytosis but is not the same process.
Choice D rationale
Phagocytosis itself does not stimulate the body to make more white blood cells, but it is a function performed by existing white blood cells to eliminate pathogens.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Washing hands when visibly soiled removes dirt, debris, and pathogens, effectively reducing the risk of infection.
Choice B rationale
Washing hands after using the restroom is a critical practice to prevent the spread of gastrointestinal pathogens.
Choice C rationale
Washing hands before meal preparation prevents the transmission of pathogens to food, protecting against foodborne illnesses.
Choice D rationale
Hands that appear clean may still harbor pathogens. Effective hand hygiene includes washing hands for at least 20 seconds with soap and water to remove invisible pathogens. .
Correct Answer is B
Explanation
Choice A rationale
The hepatitis B vaccine does not introduce live antigens into the body. It contains non-infectious components of the hepatitis B virus to stimulate the immune system to produce antibodies.
Choice B rationale
The hepatitis B vaccine stimulates the body to make antibodies to the hepatitis B antigen, providing immunity by preparing the immune system to recognize and fight the actual virus if exposed.
Choice C rationale
The hepatitis B vaccine does not offer protection against hepatitis A, C, and D. It is specifically designed to prevent infection by the hepatitis B virus.
Choice D rationale
The hepatitis B vaccine does not provide immediate protection by the injection of ready-made antibodies. It works by stimulating the body's immune system to produce its own antibodies over time. .
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